Mathematics
         
语言:中文    Language:English
                                Equations   
Fold
                                Unary equation
                                Multivariate equation
                                Math OP  
Unfold
                                Linear algebra      
Unfold
                                Derivative function
                                Function image
                                Hot issues
On line Solution of Monovariate Equation:
    Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
    It supports equations that contain mathematical functions.
    Current location:Equations > Monovariate Equation > The history of univariate equation calculation > Answer
    Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation (X-80-350*8%)*(1-25%)-750*10%/1000 = (X-80)*(1-25%)/1550 .
    Question type: Equation
    Solution:Original question:
     ( X 80350 ×
8
100
)(1
25
100
)750 ×
10
100
÷ 1000 = ( X 80)(1
25
100
) ÷ 1550
     Left side of the equation = ( X 80350 ×
8
100
)(1
25
100
)
3
40
    The equation is transformed into :
     ( X 80350 ×
8
100
)(1
25
100
)
3
40
= ( X 80)(1
25
100
) ÷ 1550
    Remove the bracket on the left of the equation:
     Left side of the equation = X (1
25
100
)80(1
25
100
)350 ×
8
100
(1
25
100
)
3
40
                                             = X (1
25
100
)80(1
25
100
)28(1
25
100
)
3
40
                                             = X × 1 X ×
25
100
80(1
25
100
)28(1
25
100
)
3
40
                                             =
3
4
X 80(1
25
100
)28(1
25
100
)
3
40
                                             =
3
4
X 80 × 1 + 80 ×
25
100
28(1
25
100
)
3
40
                                             =
3
4
X 80 + 2028(1
25
100
)
3
40
                                             =
3
4
X
2403
40
28(1
25
100
)
                                             =
3
4
X
2403
40
28 × 1 + 28 ×
25
100
                                             =
3
4
X
2403
40
28 + 7
                                             =
3
4
X
3243
40
    The equation is transformed into :
     
3
4
X
3243
40
= ( X 80)(1
25
100
) ÷ 1550
    Remove the bracket on the right of the equation:
     Right side of the equation = X (1
25
100
) ×
1
1550
80(1
25
100
) ×
1
1550
                                               = X (1
25
100
) ×
1
1550
8
155
(1
25
100
)
                                               = X × 1 ×
1
1550
X ×
25
100
×
1
1550
8
155
(1
25
100
)
                                               = X ×
1
1550
X ×
1
6200
8
155
(1
25
100
)
                                               =
3
6200
X
8
155
(1
25
100
)
                                               =
3
6200
X
8
155
× 1 +
8
155
×
25
100
                                               =
3
6200
X
8
155
+
2
155
                                               =
3
6200
X
6
155
    The equation is transformed into :
     
3
4
X
3243
40
=
3
6200
X
6
155

    Transposition :
     
3
4
X
3
6200
X = -
6
155
+
3243
40

    Combine the items on the left of the equation:
     
4647
6200
X = -
6
155
+
3243
40

    Combine the items on the right of the equation:
     
4647
6200
X =
20097
248

    The coefficient of the unknown number is reduced to 1 :
      X =
20097
248
÷
4647
6200
        =
20097
248
×
6200
4647
        = 6699 ×
25
1549

    We obtained :
      X =
167475
1549
    This is the solution of the equation.

    Convert the result to decimal form :
      X = 108.118141



Your problem has not been solved here? Please go to the Hot Problems section!





  New addition:Lenders ToolBox module(Specific location:Math OP > Lenders ToolBox ),welcome。